01 - Place chicken, sausage, onion, bell pepper, celery, garlic, diced tomatoes with juice, chicken broth, smoked paprika, thyme, oregano, cayenne, salt, pepper, and bay leaves in the slow cooker. Stir thoroughly to distribute seasonings evenly.
02 - Cover and cook on Low setting for 4 hours until chicken is tender and flavors have melded.
03 - Stir in rinsed rice until well combined. Continue cooking on Low for 30 to 40 minutes until rice is tender and most liquid has been absorbed.
04 - Add shrimp and stir gently. Cover and cook on Low for 15 minutes until shrimp turn pink and are cooked through.
05 - Remove and discard bay leaves. Taste and adjust seasoning with additional salt or hot sauce as desired.
06 - Serve hot, garnished with chopped fresh parsley and sliced green onions if desired.